function remoteCall(url)
{
    var xmlhttp = null;
    var responseText = "";

    if(window.XMLHttpRequest) 
    {
        xmlhttp = new XMLHttpRequest();
    } 
    else 
    {
        xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
    }

    xmlhttp.open('GET', url, false);
    xmlhttp.onreadystatechange = function() 
    {
        if(xmlhttp.readyState==4 && 
            xmlhttp.status == 200 && 
            xmlhttp.statusText == 'OK'
         ) 
        {
            responseText = xmlhttp.responseText;
        }
    }

    xmlhttp.send('');
		  
    return responseText;
}